Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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Audi A1 8X Driver Side Door Module Front Control Unit Module ECU 8X0959793D
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Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023A
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Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640
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BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox
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Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593
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Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780
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Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D
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Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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Volkswagen Golf Mk7 Jetta A6 Scirocco Mk3 Starter Motor 02Z911024
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BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
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Mercedes R171 Door Control Module Front Right O/S A1718206226
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
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Mini R50 Battery Cable Positive Plus Pole Wiring W17 Diesel 6942505
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB
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BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
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Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1367661080
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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BMW E87 E90 E91 Professional CCC Navigation System Controller
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Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594
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Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
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Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Peugeot 206 1.6 NFU TU5JP4 109HP Engine Control Unit ECU 9643218980 Manual
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Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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BMW 1 3 Series E87 E90 ECU N45 116i 316i Engine Motor Control Unit DME 7545046
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BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Audi A6 C7 Gateway Interface Electrical Control Unit Module ECU 4G5907468K
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Part no. 7609656-2
BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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BMW X5 E70 X6 E71 X6 E72 Map Fuse Box Grouping Diagram Card 9177784
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Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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Head Unit Kia Ceed MK1 ED SW Radio CD Player MP3 RDS Unit 96160-1H000
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BMW F20 F21 F30 F31 F32 1 Body Control Unit Module REM 9329701
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Ford Transit Mk8 Radio Stereo Multi Media Sat Nav Head Unit JK2T18K810LB
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Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
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BMW 5 6 E60 E61 LCI M5 E63 E64 M6 Engine Starter Motor 7835737
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BMW Z4 E89 Roadster 23i N52N 204HP ECU Kit DME 7609656 CAS3 Key Manual
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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BMW X3 F25 20dX 190HP B47 Engine Control Unit ECU Kit DDE 8588946 Key CAS4
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Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC
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BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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Mercedes A238 Fuse Box Control Unit SAM Module Relay A2139003029
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BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
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BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
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Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
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Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BF
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Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501
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BMW F10 F11 X3 F25 F30 LCI Mini F60 Tailgate Smart Opener Control Module 7932682
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .